Merge branch 'feature/codestyle' of github.com:unnonouno/jubatus into feature/codestyle
Ignore rand function
fix include guard for stat
fix regression for cpplint
fix code format in server
Fix coding style of plugins.

NOTE: pragma once is not fixed, yet.
some style change in framework
framework directory style fixed
Always use braces in if-statement
Fix space format
Merge branch 'feature/codestyle' of github.com:jubatus/jubatus into feature/codestyle
fix mixer/linear_mixer_test using
fix recommender style for cpplint
fix common style
fix src common style
fix cpplint.py false detection of C-style cast in typeid with pointer
fix common/jsonconfig style for cpplint
fix code format in classifier
Fix code format in jubavisor
some more src/framework codestyle